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Pumps required for multiple HWL GTX360 loop?

post #1 of 4
Thread Starter 
Looking for a bit of advise/experience from the water cooling gurus.

I have bought an M10 and am planning on using 4 x 360 rads in a single loop. The other components are:

Koolance VID-590
Koolance CPU-370

I will possibly be adding a motherboard block and will eventually replace the VID-590 for a pair of blocks somewhere down the line. Pumping duties are handled by a Koolance RP-452X2 with 2 x 450S in series with the 24V controller.

Due to available space at the top of case I will need to run a pair of rads no thicker than 55mm as Im looking at using push pull with AP-15's. After much deliberation I think the GTX360 would offer the best cooling while staying in the 55mm limit and using the fans at full speed. I will probably have the space to run thicker rads in the remaing 2 positions but with the performace of the GTX I was thing of running at least 3 with the 4th being a Coolgate360 or GTX.

Has anyone here run that many GTX rads in a single loop? Will my pumps be able to keep up with that much restriction? I have the ability to run the pumps at 24V but would rather not run them at maximum due to the increased noise/heat and reduced life span.

I have used Martins pump/rad optimiser but unfortunately it only has space for 3 rads but from my calculations it will be borderline 1.5GPM with pumps @24V. Just looking for some real world experience with these rads. Cheers
Jam packed M10
(20 items)
 
  
CPUMotherboardGraphicsGraphics
i7 3930k [DT5Noz] Asus Rampage IV Extreme [EK] Asus Titan [EK] Asus Titan [EK] 
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GSkill 2133(9-10-11-28-1T) 16GB OCZ Vertex 3 240GB [OS] OCZ Vertex 4 512GB [Games] 2 x 3TB [Media] 
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[RAD] 4 X Alphacool NexXxos XT45 [PUMP] 2 x 450S @ 11V [FAN] 33 x AP-15 fans [CONTROL] Aquaero 6 
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Windows 8 Pro 64bit Pioneer KRP-600M Corsair AX1200 CaseLabs M10 
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Denon AVR-4311, Paradigm 7.2 
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Jam packed M10
(20 items)
 
  
CPUMotherboardGraphicsGraphics
i7 3930k [DT5Noz] Asus Rampage IV Extreme [EK] Asus Titan [EK] Asus Titan [EK] 
RAMHard DriveHard DriveHard Drive
GSkill 2133(9-10-11-28-1T) 16GB OCZ Vertex 3 240GB [OS] OCZ Vertex 4 512GB [Games] 2 x 3TB [Media] 
CoolingCoolingCoolingCooling
[RAD] 4 X Alphacool NexXxos XT45 [PUMP] 2 x 450S @ 11V [FAN] 33 x AP-15 fans [CONTROL] Aquaero 6 
OSMonitorPowerCase
Windows 8 Pro 64bit Pioneer KRP-600M Corsair AX1200 CaseLabs M10 
Audio
Denon AVR-4311, Paradigm 7.2 
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post #2 of 4
Anything over 1 gpm is going to do just fine, I haven't ran that many GTX's in a single loop but if you're worried about "only" 1.5 gpm I wouldn't sweat it at all.
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Primary System
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i7 860 Gigabyte P55A-UD4P 2x EVGA GTX460 2x 4gb Corsair Vengeance 
Hard DriveCoolingCoolingCooling
Samsung F4 XSPC Rasa cpu block 2x XSPC Razor 460 Black Ice GTX 360 
CoolingOSMonitorKeyboard
MCP-350 Windows 7 64bit Samsung SyncMaster SA300 23" Filco Majestouch "Otaku" Tenkeyless 
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post #3 of 4
1.5GPM is plenty flow for your loop, past 1gpm you don't see a decrease in temps even if you get more flow but you will see an increase in temps if you drop below that magical number but that'll still only be a few degrees no sweat thumb.gif
post #4 of 4
Thread Starter 
Quote:
Originally Posted by kazenagi View Post

1.5GPM is plenty flow for your loop, past 1gpm you don't see a decrease in temps even if you get more flow but you will see an increase in temps if you drop below that magical number but that'll still only be a few degrees no sweat thumb.gif
Quote:
Originally Posted by bakageta View Post

Anything over 1 gpm is going to do just fine, I haven't ran that many GTX's in a single loop but if you're worried about "only" 1.5 gpm I wouldn't sweat it at all.

Thanks for the feedback +REP. I think I'll limit it to 3 GTX and 1 low restriction. Don't want to run at the limit.
Jam packed M10
(20 items)
 
  
CPUMotherboardGraphicsGraphics
i7 3930k [DT5Noz] Asus Rampage IV Extreme [EK] Asus Titan [EK] Asus Titan [EK] 
RAMHard DriveHard DriveHard Drive
GSkill 2133(9-10-11-28-1T) 16GB OCZ Vertex 3 240GB [OS] OCZ Vertex 4 512GB [Games] 2 x 3TB [Media] 
CoolingCoolingCoolingCooling
[RAD] 4 X Alphacool NexXxos XT45 [PUMP] 2 x 450S @ 11V [FAN] 33 x AP-15 fans [CONTROL] Aquaero 6 
OSMonitorPowerCase
Windows 8 Pro 64bit Pioneer KRP-600M Corsair AX1200 CaseLabs M10 
Audio
Denon AVR-4311, Paradigm 7.2 
  hide details  
Reply
Jam packed M10
(20 items)
 
  
CPUMotherboardGraphicsGraphics
i7 3930k [DT5Noz] Asus Rampage IV Extreme [EK] Asus Titan [EK] Asus Titan [EK] 
RAMHard DriveHard DriveHard Drive
GSkill 2133(9-10-11-28-1T) 16GB OCZ Vertex 3 240GB [OS] OCZ Vertex 4 512GB [Games] 2 x 3TB [Media] 
CoolingCoolingCoolingCooling
[RAD] 4 X Alphacool NexXxos XT45 [PUMP] 2 x 450S @ 11V [FAN] 33 x AP-15 fans [CONTROL] Aquaero 6 
OSMonitorPowerCase
Windows 8 Pro 64bit Pioneer KRP-600M Corsair AX1200 CaseLabs M10 
Audio
Denon AVR-4311, Paradigm 7.2 
  hide details  
Reply
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